STA550 Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

STA550

70+70W STEREO BASH POWER AMPLIFIER

STMicroelectronics 

EXTERNAL COMPONENTS

Name

Function

Ri

R1 = R2

Input resistor

Rr

R3 = R4

Cac

C1 = C2

Feedback resistor

AC Decoupling capacitor

Cct

C3 = C4

Capacitor for the attack time

R5 = R6

Release constant time Resistor

R7 = R8

R9 = R10

R11 = R12

C5 = C6

C7 = C8

R13

R14

R15

C9

R16 = R17

Resistor for tracking input voltage

filter

Resistor for tracking input voltage

filter

Resistor for tracking input voltage

filter

Capacitor for Tracking input

voltage filter

Dc decoupling capacitor

Bias Resistor for Stby/Mute

function

Stby/Mute constant time resistor

Mute resistor

Capacitor for Stby/Mute resistor

Sensing resistor for SOA detector

R18

C10 = C11

R22 = R24

C12 = C13

R19

R20

C14 = C15

C16 = C17

D1

Conversion resistor for threshold

voltage

Power supply filter capacitor

Centering resistor

Tracking rail power supply filter

Protection

TRK_out

Power supply filter capacitor

Feedback capacitor

Schottky diode

Note: Vcontrol is the voltage at Att_Rel pin.

Value

10KΩ

(|G| = 5, Rr = 50KΩ)

50KΩ

(|G| = 5, Ri = 10KΩ

100nF

(fp = 16Hz,

Rac =100KΩ )

2.2µF

(Tattack = 13mSec,

Vcontrol = 9V,

Ict = 1.5mA)

470KΩ

(t = 1 Sec. ,

Cct = 2.2 µF )

10KΩ

56KΩ

10KΩ

1nF

1µF

10KΩ

30KΩ

30KΩ

2.2µF

120mΩ

5% 4W

100KΩ

100nF

400 Ω , 1W

680nF

1KΩ

40KΩ

470 µF , 63V

100pF

SB360

STA550

Formula

Ri = -R-G----r-

Rr = G ⋅ Rr

Cac = 2----π-----⋅---f--p-1----⋅---R-----a----c-

Cct = attackV-----c---o--I--cn---t-t--r---o---l

Rct = C----τ-c----t

13/16

Share Link: